Explain regression model, Econometrics

Assignment Help:

In a study relating college grade point average to time spent in various activities, students are asked how many hours they spend each week in four activities: studying, sleeping, working, and leisure. Any activity is put into one of the four categories, so that for each student the sum of hours in the four activities must be 168. The regression model is given by

GPA = β0 + β1study + β2sleep + β3 work + β4 leisure +u

a) Does it make sense to hold sleep, work, and leisure fixed while changing study? Why or why not?

b) Explain why this model violates the assumption of no perfect collinearity.

c) How could you reformulate the model so that its parameters have a useful interpretation and it satisfies the no perfect collinearity assumption?

 


Related Discussions:- Explain regression model

Procurement, You are a logistics consultant for a rapidly growing online re...

You are a logistics consultant for a rapidly growing online retail company. They plan to expand their operations to a new geographical region.Task: Develop a comprehensive logistic

Compute the cpi and inflation rate, In a simple economy, people consume onl...

In a simple economy, people consume only 2 goods, food and clothing. The market basket of goods used to compute the CPI has 50 units of food and 10 units of clothing.

Total differential of the tr , A  firm's  total  revenue (TR)  is  prov...

A  firm's  total  revenue (TR)  is  provided by  pq, where  p  is  price  and  q  is  quantity sold. Assume the  firm  is  initially  selling  1000  units  of  its  product at  a

Modelling and multicollinearity, write a term paper on modelling and multic...

write a term paper on modelling and multicollinearity

Fundamental theorems of welfare economics, 1. What are the two roles that p...

1. What are the two roles that prices play in a competitive economy? How are these two roles related to the Fundamental Theorems of Welfare Economics? 2. The Undercover Economis

JGAUGUjgg3u3aii4tyl''UWY4Ktle.., hgquitwiywiy 6w tt555,jsiuouwjswjuhhurkhjs...

hgquitwiywiy 6w tt555,jsiuouwjswjuhhurkhjsrgvbb kjhg4tv jagwrj5rttruyyt hayvjafgrthbviuyhqakhjq kqhyo8yq ki8yihq jqkb qiki8yqi kiiiqgquestion..

National park , A chance sample of visitors to a National Park was intervie...

A chance sample of visitors to a National Park was interviewed regarding their impressions of the Park.  Of 200 interviewees, 120 said that they would probably make a return visit

What is the problem with this regression, (a) Describe all tests that you n...

(a) Describe all tests that you need to undertake prior to working with time series data. (b) Consider the following regression result: Standard Errors: (6.7525)

Ethical problem in dependent variable, The attached Eviews results are for ...

The attached Eviews results are for a model who has a professional career (dependent variable = pro (1 if respondent has a professional career, 0 otherwise). The data is the 1979 c

Correlation and rank correlation, Explain the difference among the usual (p...

Explain the difference among the usual (product moment) correlation and rank correlation. In what situations is it more appropriate to use rank correlation?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd